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2017-04-25selftests: add gpio generated files to .gitignoreShuah Khan
gpio test generates files in selftests directory. Add them to .gitignore. Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2017-04-25selftests: powerpc: override clean in lib.mk to fix warningsShuah Khan
Add override for lib.mk clean to fix the following warnings from clean target run. Makefile:63: warning: overriding recipe for target 'clean' ../lib.mk:55: warning: ignoring old recipe for target 'clean' Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2017-04-25selftests: gpio: override clean in lib.mk to fix warningsShuah Khan
Add override for lib.mk clean to fix the following warnings from clean target run. Makefile:11: warning: overriding recipe for target 'clean' ../lib.mk:55: warning: ignoring old recipe for target 'clean' Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2017-04-25selftests: futex: override clean in lib.mk to fix warningsShuah Khan
Add override for lib.mk clean to fix the following warnings from clean target run. Makefile:36: warning: overriding recipe for target 'clean' ../lib.mk:55: warning: ignoring old recipe for target 'clean' Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2017-04-25selftests: lib.mk: define CLEAN macro to allow Makefiles to override cleanShuah Khan
Define CLEAN macro to allow Makefiles to override common clean target in lib.mk. This will help fix the following failures: warning: overriding recipe for target 'clean' ../lib.mk:55: warning: ignoring old recipe for target 'clean' Fixes: 88baa78d1f31 ("selftests: remove duplicated all and clean target") Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com> Acked-by: Michael Ellerman <mpe@ellerman.id.au>
2017-04-25selftests: splice: fix clean target to not remove default_file_splice_read.shShuah Khan
splice clean target removes the shell script default_file_splice_read.sh that runs the splice test. Fix it to not remove this file. Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2017-04-25perf buildid: Move prototypes from util.h to build-id.hArnaldo Carvalho de Melo
Where they belong. Link: http://lkml.kernel.org/n/tip-94m3dziejxgo7k0488q3mqjm@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-24selftests/net: add tests for PACKET_FANOUT_FLAG_UNIQUEIDMike Maloney
Create two groups with PACKET_FANOUT_FLAG_UNIQUEID, add a socket to one. Ensure that the groups can only be joined if all options are consistent with the original except for this flag. Signed-off-by: Mike Maloney <maloney@google.com> Acked-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-24selftests/net: cleanup unused parameter in psock_fanoutMike Maloney
sock_fanout_open no longer sets the size of packet_socket ring, so stop passing the parameter. Signed-off-by: Mike Maloney <maloney@google.com> Acked-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-24perf tools: Fix the code to strip command nameJiri Olsa
Recent commit broke command name strip in perf_event__get_comm_ids function. It replaced left to right search for '\n' with rtrim, which actually does right to left search. It occasionally caught earlier '\n' and kept trash in the command name. Keeping the ltrim, but moving back the left to right '\n' search instead of the rtrim. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Acked-by: Taeung Song <treeze.taeung@gmail.com> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Yao Jin <yao.jin@linux.intel.com> Fixes: bdd97ca63faa ("perf tools: Refactor the code to strip command name with {l,r}trim()") Link: http://lkml.kernel.org/r/20170420092430.29657-1-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-24tools arch x86: Sync cpufeatures.hArnaldo Carvalho de Melo
To catch changes made in: 90218ac77d05 ("x86/cpufeature: Detect CPUID faulting support") No changes needed in the tools using this file at this time. Cc: Kyle Huey <me@kylehuey.com> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/n/tip-qiqsj5qg2ljbsbfre2zaf9v4@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-24tools arch: Sync arch/x86/lib/memcpy_64.S with the kernelArnaldo Carvalho de Melo
Just a minor fix done in: Fixes: 26a37ab319a2 ("x86/mce: Fix copy/paste error in exception table entries") Cc: Tony Luck <tony.luck@intel.com> Link: http://lkml.kernel.org/n/tip-ni9jzdd5yxlail6pq8cuexw2@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-24tools: Update asm-generic/mman-common.h copy from the kernelArnaldo Carvalho de Melo
To get the changes in the commit Fixes: 3209f68b3ca4 ("statx: Include a mask for stx_attributes in struct statx") Silencing this perf build warning: Warning: tools/include/uapi/linux/stat.h differs from kernel No need to change the statx syscall beautifiers in 'perf trace' at this time. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: David Ahern <dsahern@gmail.com> Cc: David Howells <dhowells@redhat.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-y8bgiyzuvura62lffvh1zbg9@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-24perf tools: Use just forward declarations for struct thread where possibleArnaldo Carvalho de Melo
Removing various instances of unnecessary includes, reducing the maze of header dependencies. Link: http://lkml.kernel.org/n/tip-hwu6eyuok9pc57alookyzmsf@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-24perf tools: Add the right header to obtain PERF_ALIGN()Arnaldo Carvalho de Melo
The util/event.h header needs PERF_ALIGN(), but wasn't including linux/kernel.h, where it is defined, instead it was getting it by luck by including map.h, which it doesn't need at all. Fix it by including the right header. Link: http://lkml.kernel.org/n/tip-nf3t9blzm5ncoxsczi8oy9mx@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-24perf tools: Remove poll.h and wait.h from util.hArnaldo Carvalho de Melo
Not needed in this header, added to the places that need poll(), wait() and a few other prototypes. Link: http://lkml.kernel.org/n/tip-i39c7b6xmo1vwd9wxp6fmkl0@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-24perf tools: Remove string.h, unistd.h and sys/stat.h from util.hArnaldo Carvalho de Melo
Not needed in this header, added to the places that need FILE, putchar(), access() and a few other prototypes. Link: http://lkml.kernel.org/n/tip-xxtdsl6nsna82j7puwbdjqhs@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-24perf tools: Remove stale prototypes from builtin.hArnaldo Carvalho de Melo
Some, like prune_packed_objects() are clearly git specific, others don't have implementations and some are used in just one place, make them static. Link: http://lkml.kernel.org/n/tip-faj3c5dnttf3hurv4pujut8n@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-24perf tools: Remove string.h from util.hArnaldo Carvalho de Melo
Not needed in this header, added to the places that need strdup, strcmp and a few other prototypes. Link: http://lkml.kernel.org/n/tip-t24yy85xnlv55kyosrum2ubs@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-24perf tools: Remove sys/ioctl.h from util.hArnaldo Carvalho de Melo
Not needed in this header, added to the places that need 'struct winsize' and the ioctl defines. Link: http://lkml.kernel.org/n/tip-2pznlli3146y4242otlcm70m@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-24perf tools: Remove a few more needless includes from util.hArnaldo Carvalho de Melo
Link: http://lkml.kernel.org/n/tip-sb2zu21d6h42e5qnsrtl6wuu@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-24perf tools: Include sys/param.h where neededArnaldo Carvalho de Melo
As it is going away from util.h, where it is not needed. This is mostly for things like MAXPATHLEN, MAX() and MIN(), these later two probably should go away in favor of its kernel sources replacements. Link: http://lkml.kernel.org/n/tip-z1666f3fl3fqobxvjr5o2r39@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-24perf callchain: Move callchain specific routines from util.[ch]Arnaldo Carvalho de Melo
Where they belong, no point in leaving those in the generic "util" files. Link: http://lkml.kernel.org/n/tip-ljx3iiip1hlfa7a7apjem7ph@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-24perf tools: Add compress.h for the *_decompress_to_file() headersArnaldo Carvalho de Melo
Out of util.h, the implementations were already in separate files, that are built conditionally. Link: http://lkml.kernel.org/n/tip-0ur7szxsb59f8758kfe63prb@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-24perf mem: Fix display of data source snoop indicationAndi Kleen
'perf mem report' doesn't display the data source snoop indication correctly. In the kernel API the definition is: #define PERF_MEM_SNOOP_NONE 0x02 /* no snoop */ #define PERF_MEM_SNOOP_HIT 0x04 /* snoop hit */ #define PERF_MEM_SNOOP_MISS 0x08 /* snoop miss */ but the table used by the perf tools exchanged "Hit" and "Miss": "None", "Miss", "Hit", Fix the table in perf. Signed-off-by: Andi Kleen <ak@linux.intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/20170419174940.13641-1-andi@firstfloor.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-24perf debug: Move dump_stack() and sighandler_dump_stack() to debug.hArnaldo Carvalho de Melo
Two more out of util.h. Link: http://lkml.kernel.org/n/tip-polkuxm1cpr06lbgue5pyqum@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-24perf kvm: Make function only used by 'perf kvm' staticArnaldo Carvalho de Melo
No need to have this polluting util.h, it was polluted enough already. Link: http://lkml.kernel.org/n/tip-wfdidqlwbvi5y0s61kv6z2gn@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-23Merge branch 'for-mingo' of ↵Ingo Molnar
git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into core/rcu Pull RCU updates from Paul E. McKenney: - Documentation updates. - Miscellaneous fixes. - Parallelize SRCU callback handling (plus overlapping patches). Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-04-22bpf: Add sparc support to tools and samples.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net> Acked-by: Daniel Borkmann <daniel@iogearbox.net>
2017-04-21Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller
Both conflict were simple overlapping changes. In the kaweth case, Eric Dumazet's skb_cow() bug fix overlapped the conversion of the driver in net-next to use in-netdev stats. Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-21bpf: Fix values type used in test_mapsDavid Miller
Maps of per-cpu type have their value element size adjusted to 8 if it is specified smaller during various map operations. This makes test_maps as a 32-bit binary fail, in fact the kernel writes past the end of the value's array on the user's stack. To be quite honest, I think the kernel should reject creation of a per-cpu map that doesn't have a value size of at least 8 if that's what the kernel is going to silently adjust to later. If the user passed something smaller, it is a sizeof() calcualtion based upon the type they will actually use (just like in this testcase code) in later calls to the map operations. Fixes: df570f577231 ("samples/bpf: unit test for BPF_MAP_TYPE_PERCPU_ARRAY") Signed-off-by: David S. Miller <davem@davemloft.net> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@kernel.org>
2017-04-21bpf: add napi_id read access to __sk_buffDaniel Borkmann
Add napi_id access to __sk_buff for socket filter program types, tc program types and other bpf_convert_ctx_access() users. Having access to skb->napi_id is useful for per RX queue listener siloing, f.e. in combination with SO_ATTACH_REUSEPORT_EBPF and when busy polling is used, meaning SO_REUSEPORT enabled listeners can then select the corresponding socket at SYN time already [1]. The skb is marked via skb_mark_napi_id() early in the receive path (e.g., napi_gro_receive()). Currently, sockets can only use SO_INCOMING_NAPI_ID from 6d4339028b35 ("net: Introduce SO_INCOMING_NAPI_ID") as a socket option to look up the NAPI ID associated with the queue for steering, which requires a prior sk_mark_napi_id() after the socket was looked up. Semantics for the __sk_buff napi_id access are similar, meaning if skb->napi_id is < MIN_NAPI_ID (e.g. outgoing packets using sender_cpu), then an invalid napi_id of 0 is returned to the program, otherwise a valid non-zero napi_id. [1] http://netdevconf.org/2.1/slides/apr6/dumazet-BUSY-POLLING-Netdev-2.1.pdf Suggested-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-21selftests: gpio: add config fragment for gpio-mockupFathi Boudra
The gpio test requires to insert the gpio mockup module (CONFIG_GPIO_MOCKUP). The gpio mockup driver depends on gpiolib (CONFIG_GPIOLIB). CONFIG_GPIO_SYSFS is selected automatically by the gpio mockup driver. Tested on x86_64 and arm64 with defconfig and kselftest-merge. Signed-off-by: Fathi Boudra <fathi.boudra@linaro.org> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2017-04-21selftests: breakpoints: allow to cross-compile for aarch64/arm64Fathi Boudra
To build breakpoint_test_arm64, ARCH value is only tested for "aarch64". It covers only the native build because it's computed from uname -m output. For cross-compilation, ARCH is set to arm64 and prevent to cross-compile the test. Fix the test to allow both native and cross-compilation of the test. Note: glibc is missing several of the TRAP_* constants in the userspace definitions. Specifically TRAP_BRANCH and TRAP_HWBKPT. See https://sourceware.org/bugzilla/show_bug.cgi?id=21286 Signed-off-by: Fathi Boudra <fathi.boudra@linaro.org> Tested-by: Naresh Kamboju <naresh.kamboju@linaro.org> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2017-04-21selftests/Makefile: Add missed PHONY targetsSeongJae Park
`selftests/Makefile` is defining only `install` as entire PHONY target though there are few more PHONY targets including `run_tests`. This commit defines them as the PHONY targets. Signed-off-by: SeongJae Park <sj38.park@gmail.com> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2017-04-21selftests/vm/run_vmtests: Fix wrong commentSeongJae Park
A comment in `run_vmtests` is wrong because it is saying `128MB + 128MB == 258MB`. This commit fixes the comment. Signed-off-by: SeongJae Park <sj38.park@gmail.com> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2017-04-21selftests/Makefile: Add missed closing `"` in commentSeongJae Park
A comment for make command usage in `selftets/Makefile` has opening `"` but no closing `"`. This commit adds the missed `"` in the comment. Signed-off-by: SeongJae Park <sj38.park@gmail.com> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2017-04-20selftests/net: Fixes psock_fanout CBPF test caseMike Maloney
'psock_fanout' has been failing since commit 4d7b9dc1f36a9 ("tools: psock_lib: harden socket filter used by psock tests"). That commit changed the CBPF filter to examine the full ethernet frame, and was tested on 'psock_tpacket' which uses SOCK_RAW. But 'psock_fanout' was also using this same CBPF in two places, for filtering and fanout, on a SOCK_DGRAM socket. Change 'psock_fanout' to use SOCK_RAW so that the CBPF program used with SO_ATTACH_FILTER can examine the entire frame. Create a new CBPF program for use with PACKET_FANOUT_DATA which ignores the header, as it cannot see the ethernet header. Tested: Ran tools/testing/selftests/net/psock_{fanout,tpacket} 10 times, and they all passed. Fixes: 4d7b9dc1f36a9 ("tools: psock_lib: harden socket filter used by psock tests") Signed-off-by: 'Mike Maloney <maloneykernel@gmail.com>' Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-20perf tools: Move timestamp routines from util.h to time-utils.hArnaldo Carvalho de Melo
We already have a header for time utilities, so use it. Link: http://lkml.kernel.org/n/tip-sijzpbvutlg0c3oxn49hy9ca@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-20perf tools: Move units conversion/formatting routines to separate objectArnaldo Carvalho de Melo
Out of util.h, to disentangle it a bit more. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-vpksyj3w5fk9t8s6mxmkajyr@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-20perf tools: Add signal.h to places using its definitionsArnaldo Carvalho de Melo
And remove it from util.h, disentangling it a bit more. Link: http://lkml.kernel.org/n/tip-2zg9s5nx90yde64j3g4z2uhk@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-20perf unwind: Provide only forward declarations for pointer typesArnaldo Carvalho de Melo
No need to drag the headers, helps in untangling them and reducing build time. Link: http://lkml.kernel.org/n/tip-l8soqph92duyw5jdha0fij8b@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-20Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller
A function in kernel/bpf/syscall.c which got a bug fix in 'net' was moved to kernel/bpf/verifier.c in 'net-next'. Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-19pmem: add dax_operations supportDan Williams
Setup a dax_device to have the same lifetime as the pmem block device and add a ->direct_access() method that is equivalent to pmem_direct_access(). Once fs/dax.c has been converted to use dax_operations the old pmem_direct_access() will be removed. Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2017-04-19tools: power: pm-graph: Package makefile and man pagesTodd E Brandt
BootGraph and SleepGraph man pages - includes full descriptions of tool arguments and commands - includes examples of common use cases Makefile - no build required, used only for install - installs man pages and tools as libraries with links - includes an uninstall Signed-off-by: Todd Brandt <todd.e.brandt@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-04-19tools: power: pm-graph: AnalyzeBoot v2.0Todd E Brandt
First release into the kernel tools source - pulls in analyze_suspend.py as as library, same html formatting - supplants scripts/bootgraph.pl, outputs HTML instead of SVG - enables automatic reboot and collection for easy timeline capture - enables ftrace callgraph collection from early boot Signed-off-by: Todd Brandt <todd.e.brandt@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-04-19tools: power: pm-graph: AnalyzeSuspend v4.6Todd E Brandt
Moved from scripts into tools, and updated from 4.5 to 4.6 - Changed the tool title to SleepGraph - Reformatted the code so analyze_suspend can be used as a library - Reorganized all html/js/css handling code to be used by other tools - upgraded the -summary feature to work faster with better readability Signed-off-by: Todd Brandt <todd.e.brandt@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-04-19torture: Use correct path for Kconfig fragment for duplicatesPaul E. McKenney
Currently, the rcutorture scripting will give an error message if running a duplicate scenario that happens also to have a non-existent build directory (b1, b2, ... in the rcutorture directory). Worse yet, if the build directory has already been created and used for a real build, the script will silently grab the wrong Kconfig fragment, which could cause confusion to the poor sap (me) analyzing old test results. At least the actual test runs correctly... This commit therefore accesses the Kconfig fragment from the results directory corresponding to the first of the duplicate scenarios, for which a build was actually carried out. This prevents both the messages and at least one form of later confusion. Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
2017-04-19perf tools: Ditch unused strchrnul() reimplementationArnaldo Carvalho de Melo
Remnants from the git codebase. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-kwaez3uxo1w9f8v5r7etl0w6@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-19perf tools: Remove regex.h and fnmatch.h from util.hArnaldo Carvalho de Melo
The users of regex and fnmatch functions should include those headers instead. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-ixzm5kuamsq1ixbkuv6kmwzj@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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